A. heating may not be required before the reaction takes place
B. the reaction is controllable even at a high temperature
C. the reaction produces large quantity of oxygen
D. the reaction takes place more rapidly at a lower temperature
Correct Answer:
Option D – the reaction takes place more rapidly at a lower temperature
Explanation
A catalyst is a substance that enables a chemical reaction to proceed at a usually faster rate or under different conditions (as at a lower temperature) than otherwise possible.